Method for determining the true stress of cross-shaped specimens subjected to biaxial tensile loads

Ma, Zhichao; Zhao, Hongwei; Lü, Shuai; Li, Hailian; Liu, Changyi

doi:10.1134/s0020441216010279

Cited by 3 publications

(1 citation statement)

References 15 publications

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“…Thus, the study is concerned with tensile strength with the properties of CFRP, a composite material that draws attention for its excellent durability and lightness, and stainless steel and aluminum, the widely used metals, and is designed to acquire the data for future researches on the fracture characteristics and durability of heterogeneous materials and various composite materials. We believe that the data obtained from the specific researches will serve as the basic data for researches on composite materials like CFRP and other different materials [6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

A study on the sandwich-style notched tensile specimens for different materials through a simulation analysis

Lee¹,

Cho²

2018

IJET

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Background/Objectives: This study designed a model that used the sandwich-style notched tensile specimens of the same specifications by applying to the properties of CFRP, stainless steel, and aluminum, and performed a test simulation.Methods/Statistical analysis: The study used CATIA design software to perform the 3D modeling of the sandwich-style notched tensile specimens with the properties of CFRP, a composite material, and stainless steel and aluminum, both ordinary metals, and then, performed a tensile test simulation.Findings: By designing the sandwich-style notched tensile specimens of the same specifications and performing a test simulation, we were able to verify the tensile strength and durability of the specimens for the different materials. This study result showed that unlike the specimens for the ordinary metals, those specimens with the properties of the composite material of CFRP first showed maximum load instead of breaking immediately due to the fibers in CFRP, before they resisted displacement in response to the alternately increasing and decreasing load until it fractured. To be specific, we saw that the CFRP specimens had the more excellent tensile strength and durability.Improvements/Applications: The data obtained from the studies will serve as the basic data for studies on the composite materials like CFRP and other various materials.

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Section: Introductionmentioning

confidence: 99%

A study on the sandwich-style notched tensile specimens for different materials through a simulation analysis

Lee¹,

Cho²

2018

IJET

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A miniaturized biaxial tensile apparatus based on torsional loading design

et al. 2019

Review of Scientific Instruments

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A miniaturized biaxial tensile apparatus is presented. Based on a torsional loading design, the total dimensions and weight of the apparatus have been reduced, while the output force has been increased. Owing to the use of four independent stepping motors, the apparatus can realize arbitrary displacement ratios during the loading processes. The apparatus is designed to be applied with a laser scanning confocal microscope realizing in situ mechanical tests. Through a proof-of-principle experiment with an optimized cruciform shaped specimen, the developed biaxial tensile apparatus is proved to be suitable for in situ tests of biaxial stress analysis.

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